[holden]

Was not the 1993 World Trade Center attack first reported as a “transformer explosion”?

Yes, it was:

http://www.fdnewyork.com/wtc.asp
http://www.simplifiedwiki.com/index.php/1993_WTC_Bombing
http://wtc7lies.googlepages.com/seismicreports,controlleddemo,1993,skysc

HF